Method of telegraphing, indicating time, or actuating mechanism electrically.



No. 678,746. Patented luly l6, l90l.

vc. R. LOUBERY.

METHOD OF TELEGRAPHING, INDICATING TIME, 08 AGTUATING MECHANISM ELEGTRIGALLY.

(No Model.) (Application filed my 1900') 2 Sheets-8heet l.

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No. 678,746. Patented luly l6, l90l.

' G. R. LOUBERY.

METHOD OF TELEGRAP'HING, INDICATING TIME, 0R ACTUATING MECHANISM ELECTBICALLY.

Application filed July 9, 1900.)

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(No Model.) 2 Sheets-Sheat 2.

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"Nrrnn STATES PATENT Urricn.

cnsAR RENE LOUBERY, on PARIs, FRANCE.

METHOD OF TELEGRAPHING, INDICATING TIME, 0R ACTUATING MECHANISM ELECTRlCALLY.

$IPEGIFIUATION forming part of Letters Patent No. 678,746, dated July 16, 1901.

Application filed July 9, 1900.

To all whom it may concern:

Be it known that I, CESAR RENE LOUBERY, a citizen of the Republic of France, residing at Paris, in the Republic of France, have invented a certain new and useful Improved Method of Telegraphing, Indicating Time, or Actuatin g Mechanism Electrically, (for which I have made application for Letters Patent in Great Britain, No. 138, dated the 2d day of January, 1900,) of which the following is a specification.

The present invention relates to the utilization of the mainsupply-circuit or a part thereof of an installation or system for electric lighting or for supplying electric motive force for transmitting signals or operating devices of various character, located at points along said main supply-circuitfor example, at customers or consumers stations.

The invention is based on the employment of a series of relays placed at the stations or houses of consumers or customers who are supplied with electricity generated at a central station. Means are provided at a suitable point, such as the central station, for impressing upon the circuit of the relays currents of difierent frequencies which are adapted to selectively operate the relays, which in turn are adapted to actuate appropriate mechanism for giving signals, indicating time, 850.

The invention will beclearly understood from the accompanying drawings,'wherein the same has been schematically represented.

Figure 1 is a schematic View of the whole of the system. Fig. 2 illustrates the arrangement of the receiving-station of a customer. Fig. 3 is a modification of the arrangement at the receiving-station. Fig. 4 is a detail view of the receiving-coil actuating the general interrupter of the circuit, and Fig. 5 illustrates the application of the system with a continuous current.

Let Z Z indicate the main electric conductors; m m the branch conductors in the service of a customer; a a a, the customers apparatus (such as electric lights) to be Worked; b b 19 a series of coils branched on the wire m by means of the Wires n n 42 connected to wire m, as indicated in Fig. 1, in advance of the meter p, the other end of each coil being connected with the ground through intermediate condensers c 0 0 The transmitting- Serial-No 22,990. (No model.)

station is provided with a series of generators of alternating currents at (1 d of which one end is connected with the main conductor Z by the wires 0 0 0 while the other ends are connected with the earth after passing through the interrupters 11 ia' Let N N N represent the frequency of the currents developed by the generators (Z (1 (1 respectively.

Let us suppose, say, the first interrupter i is closed. In order that the current from the first generator (1 may pass into the first coil?) of the customer and thence through the condenser c to the earth, it is necessary that the self-induction of this coil 1) and the capacity of the corresponding condenser 0 should be so calculated that these two apparatus should be in electrical resonance with regard to this frequency N, according to the formula in which 0 represents the capacity of the condenser, and L the self-induction of the coil 17. If the other groups b c b c are not in resonance for this frequency N, the current of the generator will not pass through them. If N represents the frequency for the currents produced by the second alternator d, it will be sufficient that the corresponding coil 7) and condenser 0 should be in resonance to enable the current to pass to the ground at t. In no case, however, will the current coming from the alternators d d (1 pass through the meter nor into the apparatus to be used.

It will be seen from the above that it is possible to simultaneously start the alternators of the current coming from the alternators d d d these coils will produce a mechanical effect which may be employed either directly or in combination with a relay. The energy of this relay may be supplied either by a battery :r, Fig. 2, or from the main itself, Fig. 3. According to these two figures the receiving apparatus actuated by the relay is placed at y. According to the power of the mechanical effect to be obtained one or the other of these devices will be employed. It is thus possible to produce at the house of the customer various mechanical actions by starting the alternating currents at d d and by closing at certain moments the interrupters 'L' 2" i The system (1 b 0 may, forinstance, actuate a time-indicating apparatus. According to this the interrupter t will be automatically closed every minute for one or two seconds, andthe coil Z), preferably arranged as an electromagnet, so arranged as to turn the minutewheel to the extent of one tooth each time, the minute-wheel being combined with a dial system of any kind.

For communicating the time to a customer, it will suffice to provide him with a groupcoil 12 and condenser c in resonance for the frequency N and a receiving-dial. The second system d b 0 may, for example, actuate the general interrupter of the circuit at the customers house, so as to close and open the circuit for working the corresponding interrupter 1'. Such an arrangement may be carried out by contract with the customers, who, according to their contract, have no right to current until a certain hour. By thus employing different frequencies certain effects may be produced at the customers house at, say, 8 oclock, others at 9, 10, and so on. It would also be possible to employ only one alternator d for cutting the current at the customers house at different hours if the following arrangement is adopted. This arrangement (represented by Fig. 4) consists, essentially, of an electromagnetf, so arranged as to attract a pivoted lever g, of soft iron. In the prolongation of this lever and forming one body with it is provided an extension h, of non-magnetic metal, in the shape of a watch-escapement pawl, gearing with a toothed wheel j,on the shaft of which is mounted a cam 70, which cam can be easily removed and replaced by one of different form. The cam actuates an interrupter q of any kind, and it will be easily understood that by varying the shape of the cam it is possible to couple or uncouple the interrupterat difierent hours, according to the different customers on the network. The cams should be easily interchangeable, so as to render it possible to change, according to the desire of the customer, the hours of lighting up and extinguishing the lights. The same system may be applied not only to the whole set of the apparatus of a customer, but also separately to some of them arc-lamps, motors, and the like. It may also be used for lighting and extinguishing the lamps used for public-lighting purposes. A third way of making use of these arrangements will be for purposes of telegraphing to points on the system. If, say, '5 is a Morse key, the corresponding groups evsfme b 0 may be made to act as a Morse receiver. The alternators d d d may be of any kind. It is, however, preferable to employ high frequencies, so as to reduce as much as possible the dimensions and the price of the condensers c c 0 Any form of generator of alternate currents may be employed, such as Ruhmkorif coils, magnetos, and the like.

In cases where distribution is obtained by alternate currents one of the alternators d may be replaced by a continuous-current dynamo 2'. In such a case the condenser 0 will be dispensed with. The coil 1'), Fig. 5, will itself select the continuous current.

In a general case when condensers are employed the loss of energy of the alternator d, resulting from losses through the ground of the system, may be reduced to a minimum by interposing between the interrupter i and the ground 25 a special condenser 0 (Shown in dotted lines, Fig. 1.)

In the case in which the additional current is continuous the condenser will be replaced for the same purpose by self-induction.

What I claim as my invention, and desire to secure by Letters Patent, is-

1. In an electric system the combination with a main supply-circuit and consumers apparatus connected in the same, of an auxiliary circuit formed in part by a portion of the main supply-circuit, a generator and a circuit-interrupting device both in said auxiliary circuit at one end thereof, and an electromagnet and condenser in said auxiliary circuit at the other end thereof.

2. In an electric system, the combination with a main supply-circuit and consumers apparatus connected in the same, of an auxiliary circuit formed in part by a portion of the main supply-circuit, an alternating-current generator and a circuit-interrupting device both in said auxiliary circuit at one end thereof, an electromagnet or solenoid, and a condenser, the coil of the electromagnet or solenoid and the condenser both being in said auxiliary circuit at the other end thereof, the self-inductance of the coil and capacity of the condenser being such that said coil and condenser are in electric resonance with regard to the frequency of the alternating current impressed upon the auxiliary circuit by the alternating generator.

3. In an electric system, the combination with a main supply-circuit and consumers apparatus connected in the same, of a plurality of auxiliary circuits each formed in part by a portion of the main supply-circuit, an alternating current generator and a circuit-interrupting device in each auxiliary circuit at one end thereof, the generators for the several circuitsgenerating alternating currents of different frequencies, an electromagnet or solenoid and a condenser for each auxiliary circuit, the coil of the electromagnet or solenoid and the condenser being included in each auxiliary circuit at the other end thereof,

the self-inductance of the coils and capacity of the condensers being difierent for the several auxiliary circuits but in electric resonance respectively with regard to the frequency of the alternating currents impressed upon the auxiliary circuits by their corresponding generators.

4:. In an electric system, the combination with a main supply-circuit and consumers apparatus connected in the same, of a plurality of alternating-current generators for generating alternating currents of different frequencies, a plurality of circuit-interrupters one corresponding to each generator, branch conductors leading from one of the conductors of the main supply-circuit to ground through said generators, and their circuit-interrupters respectively, a plurality of electromagnets or solenoids, a plurality of condensers corresponding to said electromagnets or solenoids respectively, and branch conductors leading from said main supply-conductor through the coils of' said electromagnets or solenoids and their corresponding condensers, respectively, the self-inductance of the coils and capacity of the condensers being different for the several branches but in. electric resonance respectively with regard to the frequency of the alternating currents generated by the alternating generators.

5. In an electric system, the combination with a main supply-circuit and consumers apparatus connected in the same, of a plurality of auxiliary circuits associated with said main circuit and each formed in part by a portion of one of the conductors of the main circuit, an alternating-current generator and a circuit-interrupter in each auxiliary circuit at one end thereof, the alternating currents produced by the several generators being of different frequencies, an electromagnet or solenoid and a condenser for each auxiliary circuit, the coil of the electromagnet or solenoid and the condenser being included in each auxiliary circuit at the other end thereof, the self-inductance of the coils and capacity of the condensers being different for the several auxiliary circuits but in electric resonance respectively with regard to the frequency of the alternating currents produced by the alternating generators, a circuit-breaker actuated by one of the electromagnets or solenoids, and an electric circuit controlled by said circuit-breaker.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

CESAR RENE LOUBERY.

Witnesses:

EMILE LEOBRET, EDWARD P. lVIACLEAN. 

